Home / 2,461,836.45-3,692,385.32-778,721.25

Finding the Fourth Proportional to 2,461,836.45, 3,692,385.32 and 778,721.25

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Solution

The fourth proportional to 2,461,836.45, 3,692,385.32 and 778,721.25 is: 1,167,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461,836.45 : 3,692,385.32 = 778,721.25 : x
  2. Step 2: Convert to fraction form
    2,461,836.45/3,692,385.32 = 778,721.25/x
  3. Step 3: Cross multiply
    2,461,836.45x = 3,692,385.32 × 778,721.25
  4. Step 4: Simplify right side
    2,461,836.45x = 2,875,338,907,978.44
  5. Step 5: Solve for x
    x = 2,875,338,907,978.44/2,461,836.45
  6. Step 6: Final answer
    x = 1,167,965.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.